150 Fleas of Eastern United States 



PLATE XI 



Figure 



50. Opisocrostis bruneri (Baker) , head of male. 



51. Idem, movable finger and process of the clasper. 



52. Foxella ignotus (Baker), receptaculum seminis. 



53. Opisocrostis bruneri (Baker), receptaculum seminis. 



54. Foxella ignotus (Baker), movable finger and process of clasper. 



55. Idem, head of male. 



